import re
import jieba
from urllib.request import urlopen

user_url = '''http://casad.cas.cn/ysxx2022/ysmd/dxb/201112/t20111213_3412382.html'''
resp = urlopen(user_url)


reObj = re.compile('''<p align="justify".*?</p>''', re.S)
user_text = reObj.search(resp.read().decode("utf-8"))
print(user_text.group())

re_title = '''([\u4e00-\u9fa5].*)家'''
reObj_title = re.compile(re_title)
title = reObj_title.search(user_text.group())
print(title.group())
